CN115887321A - Hibiscus manihot extract with allergy relieving effect and application thereof - Google Patents

Hibiscus manihot extract with allergy relieving effect and application thereof Download PDF

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CN115887321A
CN115887321A CN202211468125.8A CN202211468125A CN115887321A CN 115887321 A CN115887321 A CN 115887321A CN 202211468125 A CN202211468125 A CN 202211468125A CN 115887321 A CN115887321 A CN 115887321A
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hibiscus
extract
allergy
relieving
food
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施后奎
郑雨
胡攀
王希
黄李璐
徐扬
向可
李雨桐
曹家文
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Chengdu Botanical Garden Chengdu Park Urban Botanical Science Research Institute
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Chengdu Botanical Garden Chengdu Park Urban Botanical Science Research Institute
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Abstract

The invention discloses a cotton rose hibiscus extract with a allergy relieving effect and application thereof. The hibiscus mutabilis extract can be added into cosmetics, foods and substances for reducing the content of TNF-alpha inflammatory factors, and enables the cosmetics, the foods and the substances for reducing the content of the TNF-alpha inflammatory factors to have obvious allergy relieving effects, so that petroleum ether parts, ethanol parts and ethyl acetate parts are worth popularizing and using in the aspect of allergy relieving.

Description

Hibiscus manihot extract with allergy relieving effect and application thereof
Technical Field
The invention relates to the technical field of extraction of traditional Chinese medicine extracts, and particularly relates to a cotton rose hibiscus extract with a allergy relieving effect and application thereof.
Background
About 9000 kinds of cosmetic raw materials are used at present, and in addition to some raw materials having certain toxicity and irritation, new toxic substances may be generated in the process of processing. In addition, a considerable amount of auxiliary materials such as preservatives, spices, surfactants and the like are added, and although the performance and the application of the cosmetics are improved, the addition of the auxiliary materials also provides an environment for the growth of microorganisms, increases the toxic and side effects of the cosmetics, and can cause dermatitis, allergy, acute and chronic poisoning, infection caused by microorganisms and the like. It is therefore of great importance that the correct use of cosmetic raw materials avoids the occurrence of the corresponding side effects.
The traditional Chinese medicine cosmetic is prepared from pure traditional Chinese medicines or is prepared by adding traditional Chinese medicines or traditional Chinese medicine active ingredients into a chemical compound matrix, and is more and more popular with consumers all over the world due to the characteristics of greenness, naturalness, safety, reliability and the like under the guidance of the traditional Chinese medicine theory, but is not natural or safe. Some herbal extracts have been shown to have low skin irritation, phototoxicity, and cumulative toxicity, such as nephrotoxicity, hepatotoxicity, neurotoxicity, carcinogenesis, teratogenicity, mutagenic toxicity, reproductive toxicity, etc. Therefore, the selection of traditional Chinese medicinal materials in the cosmetics has great influence on the safety of the cosmetics. The selection of proper Chinese medicinal material types and components is particularly important for exerting the efficacy and ensuring the safety of the Chinese medicinal materials.
Although the selection of the traditional Chinese medicinal materials is very important, the method for extracting the effective components in the traditional Chinese medicinal materials is more important, and different methods are adopted, so that the content difference of the effective components is very large, and the content of toxic substances is different from the natural level, so that the method for extracting the effective components in the traditional Chinese medicinal materials is particularly important.
Skin allergy is a common skin disease, and medicines are required to relieve and treat allergic symptoms such as pruritus, desquamation, red swelling and the like. Inflammatory factors and pro-inflammatory mediators, such as TNF- α, IL-6, iNOS, and COX-2, can induce or exacerbate the development of skin allergy. Therefore, the content of related inflammatory factors is inhibited, and the skin allergy symptoms can be relieved, and even the inflammation is avoided. At present, cosmetics mainly having the effects of relieving allergy and soothing skin are oriented to the market, but the types of the cosmetics are few, and the cosmetics are different in quality.
Hibiscus mutabilis L is a hibiscus plant of Malvaceae, and its dry leaves are used in pharmacopoeia, and its main functions are cooling blood, detoxicating, detumescence and relieving pain. It is indicated for abscess, deep-rooted carbuncle, swelling of body, wound with snake-Dan, scald, conjunctival congestion, swelling and pain, and traumatic injury. It is said from Ben Cao gang mu that it is used to treat all large and small carbuncle, abscess and malignant boil, subdue swelling, expel pus and alleviate pain. Modern medical research shows that the cotton rose hibiscus contains chemical components such as flavone, organic acid, volatile components, stigmasta, anthraquinone, coumarin, triterpenes, lignans and inorganic elements and has wide pharmacological effects of resisting nonspecific inflammation, nephropathy, hepatopathy, diabetes, bacteria, virus, immunoregulation, tumor, parasite and the like. However, the research on cotton rose leaves at present mainly focuses on the aspects of extraction of effective components and oxidation activity research, and few researches on cotton rose parts with allergy relieving efficacy are conducted.
Disclosure of Invention
The invention aims to provide a cotton rose hibiscus extract with a allergy relieving effect and application thereof, and aims to solve the problem that cotton rose hibiscus parts corresponding to the allergy relieving effect are rarely researched.
The first purpose of the invention is to provide a cotton rose hibiscus extract with a allergy relieving effect, wherein the cotton rose hibiscus extract is derived from at least one of petroleum ether parts, ethanol parts and ethyl acetate parts of cotton rose hibiscus.
The second purpose of the invention is to provide a skin care cosmetic, which contains the cotton rose hibiscus extract, preferably, the content of the cotton rose hibiscus extract is 0.05-20 wt%, for example: 3wt%,8wt%,10wt%,12wt%, 15wt%, 18wt%, etc., more preferably, 0.2 to 1wt%, for example: 0.5wt% and 0.8wt%.
The third purpose of the invention is to provide a skin allergy-relieving food, which contains the hibiscus mutabilis extract, preferably, the content of the hibiscus mutabilis extract is 0.05-20 wt%, for example: 3wt%,8wt%,10wt%,12wt%, 15wt%, 18wt%, etc., more preferably, 0.2 to 1wt%, for example: 0.5wt% and 0.8wt%.
The fourth purpose of the invention is to provide the application of the hibiscus mutabilis extract in a substance for reducing the content of TNF-alpha.
The inventor of the invention finds that aiming at the treatment of skin allergy diseases, the types of cosmetics are few and the effects are different, so that the extract of the cotton rose is adopted to relieve allergy, but at present, no report is made about the positions of the cotton rose aiming at the allergy relieving part, and the antioxidant activity of the cotton rose extract obtained by various extraction methods is only researched, so that the inventor of the invention researches various extraction methods with the aim of screening the positions of the cotton rose with obvious allergy relieving effect to finally obtain the cotton rose parts with obvious allergy relieving effect.
Because the traditional Chinese medicine has the characteristics of multiple components, multiple targets and multiple ways, specific components or parts of the traditional Chinese medicine are separated and purified, other ineffective, ineffective or toxic components can be effectively removed, and the effective components are concentrated, so that the quality of the traditional Chinese medicine is very important to improve. Generally, traditional Chinese medicines often contain various compounds such as alkaloids, terpenoids, steroids, saccharides and the like, and traditional Chinese medicine components and parts are usually extracted by methods such as a water solvent, an alcohol solvent and the like. Therefore, the method, the components and the parts are determined, which is helpful for clarifying the specific efficacy and the safety of the traditional Chinese medicine.
As used herein, "cotton rose," also known as hibiscus flower, antifrost flower, lotus, cotton rose, 26489mu, trifoliate flower, jiu flower, tien Gosssan, rough flower, cooling paste, etc., is malvaceae, shrubalthea deciduous shrub or arborvitae. Flowers are singly born between the axilla of the branch end and the leaf. Both flowers and leaves can be used as herbs, and they have the actions of clearing heat and removing toxicity, relieving swelling and draining pus, cooling blood and stopping bleeding.
In the present invention, the extract of hibiscus mutabilis can be extracted from natural, hybrid or variant plants thereof, or can be extracted from plant tissue cultures.
Compared with other preparation methods, the hibiscus manihot extract obtained by the method has obvious allergy relieving effect, which indicates that the hibiscus manihot extract is at least one of a petroleum ether part, an ethanol part and an ethyl acetate part, and preferably the petroleum ether part and/or the ethyl acetate part.
As used herein, the term "petroleum ether fraction", ethanol fraction "and" ethyl acetate fraction "refer to hibiscus extract having a pronounced allergy-relieving effect obtained by treating hibiscus extract with a corresponding solvent.
The part can be prepared by the following steps: firstly, extracting the powder of cotton rose leaves by adopting alcohol substances with certain concentration, or simultaneously extracting by ultrasound or microwave, then removing the alcohol substances, and finally extracting by adopting petroleum ether, ethanol or ethyl acetate.
The part can be added into cosmetics or food.
The cosmetic added to the cosmetic may be in a form selected from the group consisting of a solution, a topical ointment, a cream, a foam, a nourishing lotion, a moisturizing lotion, a pack, a softening lotion, an emulsion, a barrier cream, a essence, a soap, a liquid cleanser, a bath agent, a sunscreen cream, a sunscreen oil, a suspension, an emulsion, a paste, a gel, a cream, a powder, a soap, a surfactant-containing facial cleanser, an oil, a powder foundation, an emulsion foundation, a cream foundation, a patch, and a spray, but is not limited thereto.
In addition, the skin allergy-relieving cosmetic of the present invention may further comprise one or more cosmetically acceptable carriers formulated into one or more of general skin cosmetics, and as usual ingredients, for example, oils, water, surfactants, skin allergy-relieving agents, lower alcohols, thickeners, chelating agents, pigments, preservatives, perfumes, and the like may be appropriately formulated, but not limited thereto.
In the present invention, the cosmetically acceptable carrier contained in the skin allergy-relieving cosmetic is various depending on the formulation.
When the dosage form of the present invention is an ointment, paste, cream or gel, as a carrier ingredient, animal oil, vegetable oil, wax, paraffin, starch, tragacanth, cellulose derivative, polyethylene glycol, silicone, bentonite, silica, talc, zinc oxide or a mixture thereof may be used.
When the formulation of the present invention is a powder or a spray, lactose, talc, silica, aluminum hydroxide, calcium silicate, polyamide powder, or a mixture thereof can be used as a carrier component, and when the formulation is a spray in particular, a propellant such as chlorofluorocarbon, propane/butane, or dimethyl ether may be further contained.
When the dosage form of the present invention is a solution or emulsion, as a carrier ingredient, a solvent, solubilizer or emulsifier may be used, and for example, water, ethanol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1, 3-butylene glycol oil, and in particular, cottonseed oil, peanut oil, corn germ oil, olive oil, castor oil and sesame oil, glycerol fatty acid esters, polyethylene glycol or fatty acid esters of sorbitan may be used.
When the dosage form of the present invention is a suspension, as a carrier ingredient, a liquid diluent such as water, ethanol or propylene glycol, a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol ester and polyoxyethylene sorbitol ester, microcrystalline cellulose, aluminum metahydroxide, bentonite, agar or tragacanth, or the like can be used.
When the formulation of the present invention is a soap, as a carrier ingredient, alkali metal salts of fatty acids, fatty acid half-ester salts, fatty acid protein hydrolysates, isethionates, lanolin derivatives, aliphatic alcohols, vegetable oils, glycerin, sugars, and the like may be used.
The present invention provides a skin allergy-relieving food containing at least one of the petroleum ether site, the ethanol site and the ethyl acetate site as an active ingredient. The food may be used in the form of a health functional food, but is not limited thereto. In addition, the composition may contain a food additive acceptable in terms of food science in addition to the effective ingredient.
In the present invention, the "food additive" refers to a component that can be added to a food as an aid, and is an additive to be added when preparing a functional health food in various forms, and can be appropriately selected and used by those skilled in the art. As examples of the food additive, various nutrients, vitamins, minerals (electrolytes), flavoring agents such as synthetic flavors and natural flavors, coloring agents, fillers, pectins and salts thereof, alginic acids and salts thereof, organic acids, protective colloid thickeners, pH adjusters, stabilizers, preservatives, glycerin, alcohols, carbonates used in carbonated beverages, and the like are contained, but the type of the food additive of the present invention is not limited by the above examples.
The food of the present invention may contain a health functional food. In the present invention, the "health functional food" refers to a food prepared or processed into a form of tablet, capsule, powder, granule, liquid, pill, etc. using a raw material or an ingredient useful for a human body. Here, "functionality" means an effect of regulating nutrients or physiological actions and the like for the structure and function of the human body to be beneficial for health. The health functional food of the present invention can be prepared by a method generally used in the art, and during the preparation, raw materials and ingredients generally added in the art may be added.
The formulation of the health functional food may be prepared without limitation as long as it is a known formulation of a health functional food. The food of the present invention can be prepared in various forms, is different from ordinary drugs, has the advantage of no side effect when the food is taken as a raw material for a long time, has good portability, and can be taken as a supplement for improving the skin allergy-relieving effect.
The health functional food of the present invention may take a form without limitation, may contain food in a conventional sense, and may be mixed with terms known in the art, such as functional food. In addition, the health functional food of the present invention is prepared by mixing appropriate other auxiliary ingredients and known additives that may be contained in the food according to the selection of those skilled in the art. Examples of foods that can be added include meats, sausages, breads, chocolates, confectioneries, snacks, cookies, pizza, instant noodles, other noodles, chewing gums, milk products containing ice cream, various soups, beverages, teas, tonics, alcoholic beverages, vitamin compounds, and the like. In addition, it contains food used as animal feed.
In addition, the present invention provides a pharmaceutical external product for skin allergy relief, which contains at least one of a petroleum ether fraction, an ethanol fraction and an ethyl acetate fraction as an active ingredient.
The pharmaceutical external product of the present invention may further contain a pharmaceutically acceptable carrier, excipient or diluent as necessary, in addition to the above-mentioned components. The pharmaceutically acceptable carrier, excipient or diluent is not limited as long as it does not affect the effect of the present invention, and may include, for example, a filler, a bulking agent, a binder, a wetting agent, a disintegrant, a surfactant, a lubricant, a sweetener, a perfume, a preservative, and the like.
As representative examples of the pharmaceutically acceptable carrier, excipient or diluent of the present invention, there are lactose, dextrose, sucrose, sorbitol, mannitol, xylitol, maltitol, starch, gelatin, glycerin, gum arabic, alginate, calcium phosphate, calcium carbonate, calcium silicate, cellulose, methyl cellulose, microcrystalline cellulose, polyvinylpyrrolidone, water, methylhydroxybenzoate, propylhydroxybenzoate, talc, magnesium stearate, mineral oil, propylene glycol, polyethylene glycol, vegetable oil, injectable ester, witepsol, polyethylene glycol (Macrogol), tween 61, cacao butter, lauric acid and the like.
In addition, in the case where at least one of the petroleum ether moiety, the ethanol moiety and the ethyl acetate moiety of the present invention is used as a pharmaceutical preparation for external use, it may further contain one or more active ingredients exhibiting the same or similar functions. For example, known soothing ingredients may be included. When additional soothing ingredients are included, the soothing effect of the composition of the present invention may be further enhanced. When the above components are contained, skin safety, ease of preparation, and stability of the active ingredient due to combined use can be considered. The pharmaceutical external composition may include one or more ingredients selected from the group consisting of retinoic acid, TGF, proteins derived from animal placenta, betulinic acid, chlorella vulgaris extract and derivatives thereof, and various plant extracts, as a soothing ingredient known in the art. The content of the additional component is 0.001 to 10wt% based on the total weight of the composition, and the content range can be adjusted according to conditions such as skin stability and easiness of formulation of the hibiscus petroleum ether site of the present invention.
Examples of the external pharmaceutical preparations of the present invention include, but are not limited to, disinfecting detergents, shower foams, ointment solutions, wet tissues, coating agents, and the like, and the method of formulating the external pharmaceutical preparations, the amount of use, the method of use, the components, and the like can be appropriately selected from conventional techniques known in the art.
In addition, the petroleum ether site, ethanol site and ethyl acetate site of the present invention may be used in a skin soothing method comprising the step of applying to the skin of a subject. The subject can contain, without limitation, a mammal, including, for example, a mouse, livestock, human, and the like.
The invention provides a method for adding at least one of the petroleum ether part, the ethanol part and the ethyl acetate part into a substance for reducing the content of TNF-alpha, which can obviously reduce the content of TNF-alpha, thereby achieving the effect of relieving allergy.
The substance for reducing the content of TNF-alpha may contain the same components as those of the cosmetic and the food in addition to at least one of the petroleum ether site, the ethanol site and the ethyl acetate site, and thus the details thereof are not repeated.
The invention has the following beneficial effects:
1. the invention breaks through the research that the prior art is basically limited to how to extract the cotton rose hibiscus and the antioxidant activity of the extracted cotton rose hibiscus, and does not relate to the research on the specific effective part corresponding to the allergy-relieving effect of the cotton rose hibiscus, namely does not relate to the mode of extraction, and the cotton rose hibiscus extracting solution has good allergy-relieving effect. The method provided by the invention is used for searching for the extraction mode of the cotton rose hibiscus (namely which extraction part of the cotton rose hibiscus) from the allergy relieving effect to achieve a corresponding effect.
2. The hibiscus extract obtained by extracting the petroleum ether part, the ethanol part and the ethyl acetate part of the hibiscus has good allergy relieving effect, and particularly can obviously reduce the content of TNF-alpha, thereby achieving the allergy relieving effect.
3. The petroleum ether part, the ethanol part and the ethyl acetate part of the cotton rose have good allergy relieving effect, and compared with other existing extraction methods (using n-butyl alcohol as an extraction solvent), the effect of the extract is obviously better than that of the extracts obtained by other extraction methods.
4. The petroleum ether part, the ethanol part and the ethyl acetate part of the cotton rose have good allergy relieving effect and no side effect under a certain concentration, so the cotton rose can be used in cosmetics and medical drugs, and the cotton rose can be taken widely in practical application, and is worthy of popularization and application.
Drawings
FIG. 1 is a graph showing the results of the effect of example 1 (petroleum ether site) on cell activity;
FIG. 2 is a graph showing the results of example 2 (ethyl acetate site) on the effect on cell activity;
FIG. 3 is a graph showing the results of the effect of example 3 (ethanol site) on cell activity;
FIG. 4 is a graph of the effect of the sites of examples 1-3 and comparative example 1 and a control experiment on TNF- α;
FIG. 5 is a graph showing the effect of the sites of examples 1 to 3 and comparative example 1 and a control experiment on iNOS;
FIG. 6 is a graph of the effect of the sites of examples 1-3 and comparative example 1 and a control experiment on IL-6;
FIG. 7 is a graph of the effect of the sites of examples 1-3 and comparative example 1 and a control experiment on COX-2;
FIG. 8 is a graph of the effect of the cosmetic agents shown in Table 1 on TNF- α;
FIG. 9 is a statistical chart of the antiallergic test of the cosmetics shown in Table 1.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention is described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
Preparation of flos Hibisci Mutabilis petroleum ether part (flos Hibisci Mutabilis extract with obvious allergy relieving effect)
Taking a proper amount of cotton rose hibiscus leaf coarse powder, adding 10 times of 70% ethanol, performing reflux extraction for 2 times, namely 2 hours and 1.5 hours respectively, filtering, combining filtrates, concentrating until no alcohol smell exists, adding 100ml of water to obtain a suspension, performing extraction by using petroleum ether, performing continuous extraction for 3 times, combining the extract liquid obtained by each extraction, performing reduced pressure concentration and drying sequentially to obtain the petroleum ether fraction.
Example 2
This comparative example differs from example 1 in that: and extracting by using ethyl acetate with the same volume to obtain an ethyl acetate part.
Example 3
This comparative example differs from example 1 in that: extracting with ethanol of the same volume to obtain ethanol fraction.
Comparative example 1
This comparative example differs from example 1 in that: extracting with n-butanol of the same volume to obtain n-butanol fraction.
Experiment 1
Cell viability assay was performed on the extracted fractions obtained in examples 1-3
The experimental method is as follows:
(1) taking out the frozen RAW264.7 cells, and unfreezing the cells at 37 ℃ in a constant-temperature water bath kettle;
(2) diluting, centrifuging and beating the unfrozen cells, adding the cells into a culture dish, and then culturing in a constant-temperature constant-oxygen incubator;
(3) preparation of 5X 10 cells at log phase of growth 4 cell·mL -1 Adding the cell suspension with the concentration into a 96-well plate, and continuously culturing for 24 hours;
(4) samples of the sites obtained in examples 1 to 3 and comparative example 1 were prepared, and added to 96-well plates to give concentrations of 25, 50, 100, 200, 400. Mu.g.mL -1 Continuously culturing for 48 hours;
(5) each well was washed 3 times with PBS, the medium to which cck-8 reagent was added to a 96-well plate, culturing was continued for 30min, and then cell activity was measured.
The analysis software was SPSS version 22.0. Data are all expressed using mean ± sd. Significance was expressed as P <0.05, P <0.01. The results of the effect of the site on the cell activity in example 1 are shown in FIG. 1, and the results of the effect of the site in examples 2 and 2 on the cell activity are shown in FIGS. 2 and 3, respectively.
As can be seen from a comparison of FIGS. 1-3, all sample concentrations at the ethanol site (example 3) had no significant effect on cell viability. Further experiments showed that the concentration of the petroleum ether fraction (example 1) and ethyl acetate fraction (example 2) extract was not more than 200. Mu.g.mL -1 There was no statistically significant difference in the time, and there was no significant effect on the cell viability, indicating that the cell viability was not greater than 200. Mu.g.mL -1 When the concentration is within the range, the in vitro experiment can not cause obvious damage to cells, so that the subsequent inflammatory factor determination experiment adopts 200 mu g/mL -1 The sample concentration is used for carrying out experiments, and guiding opinions are also provided for the practical addition of the sample to foods and cosmetics.
Experiment 2
Measurement of the level of inflammatory factor in the site obtained in examples 1 to 3 and comparative example 1 by Q-PCR
The experimental method comprises the following steps:
(1) petroleum ether extracts were precisely weighed (examples)1) Appropriate amounts of ethyl acetate extract (example 2) and ethanol extract (comparative example 2) were dissolved in DMSO to prepare a test solution for use. The final cell experiment administration concentration is 200 mug. Multidot.mL -1
(2) RAW264.7 cells were cultured and added to a 96-well plate to give an initial concentration of 5X 10 4 cell·mL -1 Culturing for 24 hours;
(3) changing the culture medium, administering, continuously culturing for 48 hours, collecting cell supernatant of RAW264.7, extracting RNA, and identifying the concentration and purity of total RNA;
(4) the q-PCR technology is utilized to carry out the design and synthesis of experimental primers and the operation of reverse transcription of mRNA into c DNA, and then the expression of 4 inflammation-related factor genes is analyzed to determine the anti-inflammatory effect.
The experimental data are expressed as Mean ± SD. Carrying out significance difference statistics by adopting independent sample t test; compared with the blank group, # # # # P is less than 0.0001; compared to the model group, P <0.05, P <0.01, P <0.001, P <0.0001. The statistical results are shown in fig. 4-7, DXM in fig. 4-7: dexamethasone, eth.: ethanol, pet et al petroleum ether, eta. ethyl acetate, N-bu et al N-butanol.
As can be seen from the comparison of FIGS. 4-7, the expression level of the cellular inflammatory factors can be significantly increased by LPS, which indicates that LPS can be used as an inflammation inducer in the experimental study. Compared with an LPS model group, dexamethasone, ethanol parts, petroleum ether parts, ethyl acetate parts and n-butanol parts can obviously reduce the expression level of each inflammatory factor and show obvious anti-inflammatory action. The down regulation effect of the ethanol part, the petroleum ether part and the ethyl acetate part on iNOS, IL-6 and COX-2 is obviously better than that of the n-butanol part, and even partial result is better than that of dexamethasone. Therefore, the ethanol part, the petroleum ether part and the ethyl acetate part are selected as the functional components of the cosmetics with the anti-allergic and relieving effects, and the petroleum ether part and the ethyl acetate part are more preferably selected as the functional components of the cosmetics with the anti-allergic and relieving effects.
Cosmetic test
The petroleum ether fraction, ethanol fraction, ethyl acetate fraction and other components obtained in examples 1 to 3 were prepared into cosmetics, as shown in tables 1 to 3, respectively.
TABLE 1
Figure BDA0003957229250000121
TABLE 2
Figure BDA0003957229250000122
Figure BDA0003957229250000131
TABLE 3
Figure BDA0003957229250000132
Studies on the inhibitory effects of the cosmetics of tables 1-3 on TNF-alpha inflammatory factor
The compositions of examples 1-3 were assayed for the in vitro TNF- α inflammatory factor content according to the standard T/SHRH 034-2021 test for soothing efficacy of cosmetics, determination of the content of in vitro TNF- α inflammatory factor, lipopolysaccharide-induced macrophage RAW264.7 test method.
The experimental method comprises the following steps:
(1) cell preparation: thawing the cells at 1X 10 5 cell·mL -1 Cell concentration in 96-well plates, 37 ℃,5% CO 2 Culturing in an incubator for 24 hours to ensure that the fusion degree reaches 45-60 percent;
(2) preparing a test object: dissolving the test substance in DMSO, mixing well to ensure that the concentration of folium Hibisci Mutabilis is 200 μ g/mL -1 LPS concentration was 1. Mu.g/mL -1 Dexamethasone concentration 100. Mu.g/mL -1
(3) Cell digestion and inoculation: cells were digested with trypsin/EDTA at a cell concentration of 1X 10 5 cell·mL -1 Inoculating into a 96-well plate at a liquid volume of 200. Mu.L/well, and culturingCulturing in a box for 24 hours;
(4) induction and administration: discarding the culture medium in a 96-well plate, adding a cell culture medium containing LPS into a negative control well according to the experimental design, adding a culture medium containing dexamethasone and LPS into a positive control well, adding a cell culture medium into a blank control well, adding a cosmetic test object into a sample group, and adding 200 mu L of the cosmetic test object into each well. Culturing in an incubator for 24h after the administration is finished;
(5) collecting cell supernatants: after the incubation culture is finished, 200. Mu.L of cell culture supernatant is collected and placed in a 1.5mL sterile centrifuge tube, and the cell culture supernatant is frozen and stored in an ultra-low temperature refrigerator at minus 80 ℃.
(6) And (3) ELISA detection: detection was performed according to the instructions for the TNF-. Alpha.ELISA kit.
The detection results are shown in fig. 8, and it can be seen from fig. 8 that compared with the LPS model group, each test substance has a significant inhibitory effect on TNF- α, and meets the requirements of T/SHRH 034-2021 "cosmetic soothing efficacy test-lipopolysaccharide-induced macrophage RAW264.7 test method for measuring the content of in vitro TNF- α inflammatory factor" standard on cosmetics with soothing efficacy.
Studies on antiallergic efficacy of the cosmetics of tables 1 to 3 are now presented
The test method comprises the following steps: 200 volunteers were screened for skin disease at age 22-45 years and signed an informed consent. The random average was divided into four groups A, B, C and D, 50 of which had no statistical difference among the groups. Group A is blank control group, group B is model group, group C is dexamethasone group, and group D is cosmetic experimental group shown in Table 1. During the test, 5.0% capsaicin was applied to the arms of the three groups B, C and D to cause red swelling and itching of the skin. The B group was not subjected to the subsequent treatment, and the C and D groups were sprayed with the corresponding substances 1 time each within 1 hour. After 1 hour, the regression of symptoms was measured with a multifunctional skin tester. The results are shown in fig. 9, and it can be seen from fig. 9 that the group a does not have any symptoms, all the volunteers in the group B have skin allergy symptoms, and the symptoms of the volunteers in the groups C and D are improved, but the red swelling and itching symptoms are improved more obviously and reduced by 67% after the cosmetic is sprayed for 1 hour, which indicates that the cosmetic containing petroleum ether parts of cotton rose can effectively relieve the allergy symptoms caused by capsaicin.
In conclusion, the invention breaks through the research that the prior art is basically limited to how to extract the cotton rose hibiscus and the antioxidant activity of the extracted cotton rose hibiscus, and does not relate to the research on the specific effective parts corresponding to the allergy-relieving efficacy of the cotton rose hibiscus, namely does not relate to the mode of extracting the cotton rose hibiscus to obtain the cotton rose hibiscus extracting solution with good allergy-relieving effect.
The extracts (namely different solvent parts) obtained by extracting the components in the cotton rose hibiscus by adopting different solvents have great difference in the aspect of allergy relieving, wherein the petroleum ether part, the ethanol part and the ethyl acetate part have obvious allergy relieving effects, and the petroleum ether part and the ethyl acetate part have more obvious effects. The content of the petroleum ether part and the ethyl acetate part in the cosmetics or the food is controlled, so that the cosmetic or the food has no side effect on users, and different products can be prepared for the users to select, thereby being worth popularizing and using.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A hibiscus mutabilis extract with a allergy-relieving effect is characterized in that the hibiscus mutabilis extract is derived from at least one of petroleum ether fraction, ethanol fraction and ethyl acetate fraction of hibiscus mutabilis.
2. The hibiscus manihot extract with a allergy-relieving effect according to claim 1, wherein the hibiscus manihot extract is derived from petroleum ether fraction and/or ethyl acetate fraction of hibiscus manihot.
3. A skin allergy-relieving cosmetic comprising the Hibiscus Mutabilis extract of claim 1 or 2; preferably, the content of the hibiscus manihot extract is 0.05-20 wt%, more preferably, 0.2-1 wt%.
4. The skin allergy relieving cosmetic composition of claim 3, wherein the allergy relieving cosmetic composition has a formulation selected from the group consisting of a solution, a topical ointment, a cream, a foam, a nourishing lotion, a moisturizing lotion, a mask, a softening lotion, an emulsion, a makeup base, an essence, a soap, a liquid cleansing product, a bath agent, a sunscreen, a suntan oil, a suspension, an emulsion, a paste, a gel, a face cream, a powder, a soap, a surfactant-containing facial cleanser, an oil, a powder foundation, an emulsion foundation, a cream foundation, a patch, or a spray.
5. The skin soothing cosmetic of claim 4, further comprising one or more cosmetically acceptable carriers.
6. A skin allergy-relieving food comprising the extract of Hibiscus Mutabilis of claim 1 or 2; preferably, the content of the hibiscus manihot extract is 0.05-20 wt%, more preferably, 0.2-1 wt%.
7. The skin allergy free food as claimed in claim 6, wherein the skin allergy free food is a health food.
8. A medical external preparation for skin allergy relief, comprising the hibiscus mutabilis extract of claim 1 or 2, preferably, the hibiscus mutabilis extract is contained in an amount of 0.05 to 20wt%, more preferably, 0.2 to 1wt%.
9. Use of hibiscus mutabilis extract according to claim 1 or 2 in a substance for reducing the content of TNF- α.
10. The use according to claim 9, wherein the substance reducing the TNF- α content is a cosmetic, a medical external or a food.
CN202211468125.8A 2022-11-22 2022-11-22 Hibiscus manihot extract with allergy relieving effect and application thereof Pending CN115887321A (en)

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